# JWT_RESPONSE_PAYLOAD_HANDLER
import re

from django.contrib.auth.backends import ModelBackend

from users.models import User


def jwt_response_payload_handler(token,user=None,request=None):
    """
        自定义jwt认证成功返回数据
        """
    return {
        'token':token,
        'user_id':user.id,
        'username':user.username
    }


def get_user_by_account(account):
    """
    根据帐号获取user对象
    """
    try:
        if re.match(r'1[3-9]\d{9}',account):
            user = User.objects.get(mobile=account)
        else:
            user = User.objects.get(username=account)
    except User.DoesNotExist:
        return None
    else:
        return user


class UsernameMobileAuthBackend(ModelBackend):
    """
    自定义用户名或手机号认证
    """
    def authenticate(self,request,username=None,password=None,**kwargs):

        user=get_user_by_account(username)

        if user is not None and user.check_password(password):
            return user

































